Improvement in pumps



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UNITED STATES PATENT OFFICE.

JEAN M. H. P. METIVIER, OF PARIS, FRANCE.

IMPROVEMENT IN PUMPS.

Specification forming part of Letters Patent No. 38,1 I7, dated April 7,115163.

To all whom it may concern.'

Beit known that I, JEAN MARIE HENRI PAUL MTIVIER, of Paris, in theEmpire of France, have invented certain new and useful Improvements inPumps; and I hereby declare that the following is a full, clear, andexct description of the same, reference being htd to the accompanyingdrawings, to be hereinafter referred to.

The characteristic feature of my invention ofimprovements in pumps isthe employment ot' two shafts, together with inclined pumpbarrels andpistons, as hereinafter explained. One of the shafts is inclined at anydesired angle, and the two shafts are coupled together by a .universalor other joint insuring the the same'speed to both, and causing them torevolve in the same direction. One of the shafts carries, through ahorizontal disk or cross-bars, a pair or more ot' pumpebarrels, set atthe same angle as the inclined shaft, while the other (say the inclinedshaft) hns fixed on the lower part an inclined cross head, with rods andpistons alsovinclined to correspond with and workin the pump-barrels.Avessel or case fitted with a cover which may be removed when requiredhas a suction pipe fitted at the lower and a discharge-pipe at the upperpart. Both pipes are provided with suitable valves, and in this vesselthe barrels and pistons are inclosed. The pump-barrels (say three) aresuspended from the under side ot' the horizontal disk or crossbars insuch manner as to be able to adapt themselves to the inclinations of thepistons. A ring of some strongtlexible material unites and keeps thepumps water and air tight, so that the top of the pump-barrels is inconflmunication with the. discharge, while the bottom ofthe pumps is incomm unication with the lower part of the vessel. A diaphragm may, ifdesired, surround the lower part of the plate.

Figure l ofthe accompanying` drawings is a vertical section, and Fig. 2is aV horizontal section, of a pump fitted with three barrels accordingto my invention.

A is a metal or wood case inclosing the pumps.

B is a cover secured to the case by bolts or screws, and in such mannerthat it may with facility be removed when required.

O is the suction-pipe, and D is the dischargepipe, the latter beingprovided with a stopvalve.

The two shafts M N are united at the point O, and have a continuous oralternate rotary motion imparted to them by means of a crank, X',pulley, toothed wheels, or other appliance for communicating motivepower.

H is a plate, keyed to the shaft M, and made tight by packing, a,inserted in a groove formed in its nange. `To thuis plate threepump-barrels, F, are attached, each barrel being free to move about thepoints I through universal joints, so that they may assume anyinclination, according to the motion of the pistons. A diaphragm, L, issecured to the plate H, and surrounds the barrels of the pumps, so as tocheck the agitation of the water around the outside of the barrels. Theupper end of the barrels is enlarged, and over this enlargment leatherwashers K are placed and secured to the plate H. The washers havesufficient pl-Iy to allow of their moving with the barrels.

Pis a cross-bar, ixed to the second or inclined shaft, N, and to whichthe pistons Q are fixed. These pistons are fitted clapet or sphericalvalves h, or with any other suitable valves. The piston-rods areparallel with the shaft N, and are set at an equal distance from itsaxis.

On motion being communicated to the shaft M, similar motion istransmitted to the lower shaft, N, to the plate H, barrels F, andpistons Q. lf at the commencement of rotation one piston were at thebottom of one barrel, and the opposite piston at the top of the oppositebarrel, then,upon the completion of a semirotation, that which was atthe top would have become at the bottom of the barrel, and vice versa.As the barrels move, or as the pistons move in the barrels, so air,water, or other liquid is drawn into and discharged from pump. Theaction is similar, whether the shafts receive a continuous rotary motionin one direction, or an alternate rotary motion.

Having now described the nature of my invention, and in what manner thesame is to be performed, I declare that I claim- The employment, inpumps, of two shafts jointed together, and of inclined pump-barrels andpistons, all being titted and caused to act substantially ashereinbefore described, and illustrated in the accompanying drawings.-

In testimony whereof I have vsigned my name to this specification beforeltwo subscribing witnesses.

J. M. H. l?. MTIVIER. Witnesses GEO. HU'rroN, L. CLAEN.

